From c5e8c7c6e71504f4b32b429760d42c3568905c13 Mon Sep 17 00:00:00 2001 From: archit kaushal Date: Thu, 25 Oct 2018 15:26:25 +0530 Subject: [PATCH] add c program to check for perfect numbers --- programs/C/perfe.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 programs/C/perfe.c diff --git a/programs/C/perfe.c b/programs/C/perfe.c new file mode 100644 index 0000000..a19ca36 --- /dev/null +++ b/programs/C/perfe.c @@ -0,0 +1,18 @@ +#include + +int main() + { + int sum = 0, n; + //prompt user for number to check whether it is perfect or not + printf("please enter number to check whether it is perfect or not:"); + scanf("%d", &n); + for( int i = 1; i <= n/2; i++){ + if( n%i == 0) //find sum of divisors of entered number + sum += i; + } + //check if sum of divisors is equal to entered number or not and then print required output + if( sum == n) + printf("hurray!,entered number is perfect\n"); + else + printf("number is not perfect, try another one\n"); + } \ No newline at end of file